<div class="Toolbar_inbox">
<a class="btn_a" id="export"  href="javascript:;" autocomplete="off">
<span>立即备份</span>
</a> 
<a class="btn_a" id="optimize"  href="{:U('optimize')}">
<span>优化表</span>
</a> 
<a class="btn_a" id="repair"  href="{:U('repair')}">
<span>修复表</span>
</a>   
</div>